CN106338057A - Sewage discharging and heat recycling device of steam boiler - Google Patents
Sewage discharging and heat recycling device of steam boiler Download PDFInfo
- Publication number
- CN106338057A CN106338057A CN201610749815.9A CN201610749815A CN106338057A CN 106338057 A CN106338057 A CN 106338057A CN 201610749815 A CN201610749815 A CN 201610749815A CN 106338057 A CN106338057 A CN 106338057A
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- Prior art keywords
- water
- ring
- boiler
- water inlet
- steam
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/54—De-sludging or blow-down devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
Abstract
The invention provides a recycling device for waste water and waste heat of a boiler for a heat supply network. The recycling device consists of a columnar tank body, a spraying device, a water baffle, a buffering device and a water pump, wherein an exhaust opening, a cooling water inlet, a boiler waste water inlet, a water outlet and a sewage discharging opening are formed in the columnar tank body; the spraying device is arranged at the upper part of the columnar tank body; the buffering device is arranged at the middle part of the columnar tank body; the water baffle is arranged between the spraying device and the buffering device; and the water pump is connected with the water outlet of the columnar tank body. The recycling device has the effects that 1, water and energy are saved, and the economic benefit of an enterprise is increased; and 2, no heat pollution is caused to the environment, and the environment is protected.
Description
Technical field: the present invention relates to a kind of auxiliary equipment of steam boiler, what its alternative steam boiler was supporting determines row
Flash vessel and the function of platoon flash vessel, and most of heat recovery of externally discharge in traditional blowdown flow process is used for improving pot
Stove moisturizing temperature；Particularly a kind of be applied in, the steam boiler blowdown heat reclamation device of low-pressure industrial steam boiler.
Background technology: the process structure of existing steam boiler and auxiliary equipment is shown in accompanying drawing 1, it is mainly by boiler 1, company
Row's flash vessel 2, surely row's flash vessel 3, steam distributor 4, oxygen-eliminating device 5, softening water tank 6 are pressed and are connected shown in figure.This kind connects
The deficiency that steam boiler and auxiliary equipment exist in use is that waste heat recovery effect is poor, most of heat losses.It
Waste heat recovery is only to enter platoon flash vessel dilatation flash distillation in platoon stove water, and the indirect steam of generation enters oxygen-eliminating device and is used for deoxygenation
This partial heat of heating is recycled, and after dilatation flash distillation, the general temperature of remaining water is (different at 104～160 DEG C about
The different temperature of oxygen-eliminating device operating pressure correspondence), this part water enters after surely arranging flash vessel and directly discharges；The periodical blowdown of boiler
Stove water be also be directly discharged into determine row's flash vessel after directly discharge, all do not recycle, this cause environmental thermal pollution and the energy wave
Take.
Content of the invention: present invention aim at, for existing low-pressure industrial steam boiler present in waste heat recovery not
Foot, and a kind of steam boiler blowdown heat reclamation device is proposed, it has the advantages that waste heat recovery rate is high.
By following technical proposals, the achievable purpose of the present invention, a kind of steam boiler blowdown heat reclamation device, its feature
It is, including waste heat recovery tank, heat exchanger, support；Waste heat recovery tank includes tank body, ring-shape open formula chuck, steam-water separation equipment
Put, completely cut off ring, hydroecium, shower nozzle；The top of tank body is provided with evacuation port, and bottom is provided with hot water outlet, and side wall is respectively equipped with boiler row
Wastewater inlet, softening water inlet, boiler blow-off water out；Ring-shape open formula chuck is opening up to be located at inwall in the middle part of tank body, vapour
Water is separately positioned to be located in ring-shape open formula chuck, and isolation ring is located at the overthe openings of ring-shape open formula chuck, and hydroecium is located at tank
The top of intracoelomic cavity, shower nozzle is located at hydroecium bottom, and hydroecium is passed through pipeline and is connected with softening water inlet, boiler blow-off water inlet and pot
Fire grate outlet of sewer and ring-shape open formula chuck cavity UNICOM；Waste heat recovery tank and heat exchanger are fixed by support；On heat exchanger
It is provided with normal temperature softened water inlet and outlet, normal temperature is softened water out and is connected with the softening water inlet of waste heat recovery tank by pipeline；
Heat exchanger is provided with boiler blow-off water inlet, and it is connected with waste heat recovery tank boiler blow-off water out by pipeline.
Described steam-water separation setting is mainly made up of resistance vapor baffle and packing layer, and resistance vapor baffle is annular flap, and two pieces are
One group of two-way middle part being located at ring-shape open formula chuck, packing layer is located at the top of ring-shape open formula chuck.
For ease of installation and maintenance, waste heat recovery tank is made up of through bolt connection upper cover, canister, low head three.
Effect of the invention is that: 1, waste heat recovery effect is good, saves the energy, in recyclable steam boiler institute sewer
Most heats, with existing apparatus ratio, waste heat recovery rate 85～90 can be improved, this essentially consists in, this device is provided with two
Individual waste-heat recovery device, in waste heat recovery tank, the softened water after atomization and the direct condensation by mixing of flash steam guarantee flash steam
Recycle completely；In addition, discharging after flash distillation dilatation in normal temperature softened water and the waste heat recovery tank in indirect type heat exchanger
95 DEG C of stove water carry out heat exchange recovery, finally, sewage temperature can be made to drop to less than 40 DEG C and discharge, not only energy-conservation but also eliminate emit vapour；2、
Simplify device, this is, this device instead of the platoon flash vessel in existing apparatus and surely arranges flash vessel, and, effect is also
Better than both；3rd, it is beneficial to environmental protection, eliminate the thermal pollution to environment.
Brief description:
The process structure schematic diagram that accompanying drawing 1 is connected with auxiliary equipment for existing steam boiler.
Accompanying drawing 2 is the structural representation of the present invention.
The process structure schematic diagram that accompanying drawing 3 is connected with the present invention and part auxiliary equipment for steam boiler.
Below in conjunction with the accompanying drawings and embodiment is expanded on further to the present invention:
Specific embodiment:
Referring to accompanying drawing 2,3, a kind of steam boiler blowdown heat reclamation device, it mainly by waste heat recovery tank a, heat exchanger b,
Frame c forms.Waste heat recovery tank a mainly by tank body 7, ring-shape open formula chuck 8, steam-water separation setting 9, isolation ring 10, hydroecium 11,
Shower nozzle 12 forms.The top of tank body 7 is provided with evacuation port 13, and bottom is provided with hot water outlet 14, and side wall is respectively equipped with boiler blowdown water
Import 15, softening water inlet 16, boiler blow-off water out 17.Ring-shape open formula chuck 8 is opening up to be located in tank body 7 middle part
Wall, steam-water separation setting 9 is located in ring-shape open formula chuck 8, and its function is that 1 grate furnace water of boiler is carried out steam-water separation.
Isolation ring 10 is located at the overthe openings of ring-shape open formula chuck 8, and its function is not allow the sprayed softened water of shower nozzle 12 enter into ring
Cause in the open chuck of shape 8 to soften water loss.Hydroecium 11 is located at the top of tank body 7 inner chamber, and its function is to make softened water equal
Even be distributed in each shower nozzle, shower nozzle 12 is located at hydroecium 11 bottom.Hydroecium 11 passes through pipeline and is connected with softening water inlet 16.Boiler is arranged
Wastewater inlet 15 is connected with ring-shape open formula chuck 8 cavity with boiler blow-off water out 17.Waste heat recovery tank a and heat exchanger b leads to
Cross support c to fix.Heat exchanger b is provided with normal temperature and softens water inlet 18 and soften water out 19, softens water out 19 and passes through pipeline
It is connected with the softening water inlet 16 of waste heat recovery tank.Heat exchanger b is provided with boiler blow-off water inlet 20, and it passes through pipeline and waste heat
Recycling can boiler blow-off water out 17 connects, and heat exchanger b is provided with boiler blow-off water out 21.The setting of described steam-water separation can be by
Resistance vapor baffle 91 and packing layer 92 are constituted, and resistance vapor baffle 91 is annular flap, and two pieces is that one group of two-way ring-shape open formula that is located at is pressed from both sides
The middle part of set 2, packing layer 92 is located at the top of ring-shape open formula chuck 2, and filler is web material.For ease of installation and maintenance,
Tank body 1 is made up of through bolt connection upper cover 71, canister 72, low head 73 three.The platoon outlet of sewer of boiler 1 and fixed row expand
Outlet of sewer is connected with the boiler blow-off water inlet 15 of waste heat recovery tank a by pipeline.The hot water outlet 14 of waste heat recovery tank a leads to
Piping is connected with softening water tank 6.The normal temperature of heat exchanger b is softened water inlet 18 and is connected with softening water tank 6 by pipeline.Steam divides
Orchestration 4 one end is connected the other end with boiler 1 and is connected with oxygen-eliminating device 5, oxygen-eliminating device 5 respectively with softening water tank 6, oxygen-eliminating device 5, boiler 1
Connect, softening water tank 6 is connected with oxygen-eliminating device 5, waste heat recovery tank a, heat exchanger b respectively.
The work flow of this device is: the continuous blowdown of boiler 1 and the sewage of the periodical blowdown pot by waste heat recovery tank a
Fire grate wastewater inlet 15 enters and produces vaporization flash distillation in ring-shape open formula chuck 8, and flash-off steam is through resistance vapor baffle 91 and filler
During layer 92, entrained drop is substantially cleared, and carries out through isolation ring 10 entrance tank body 7 inner chamber softened water sprayed with shower nozzle 12
Heat exchange；Steam remove under drop and the remaining sewage of flash distillation pass through boiler blow-off water out 17 and boiler blow-off water inlet 20 and enter
Enter heat exchange cooling in heat exchanger b, afterwards cesspool is drained into by boiler blow-off water out 21 to less than 40 DEG C.Normal temperature softened water passes through
Water pump softens water inlet 18 from softening water tank 6 pump water by normal temperature and enters heat exchanger b, from softening water out 19 and softening water inlet 16
Enter hydroecium 11, after multiple atomizers 12 are atomized with flash steam after tank body 7 inner chamber condensation by mixing becomes hot water, then from heat
Water out 14 enters in softening water tank 6.
Claims (3)
1. a kind of steam boiler blowdown heat reclamation device is it is characterised in that include waste heat recovery tank, heat exchanger, support；Waste heat returns
Closed cans includes tank body, ring-shape open formula chuck, steam-water separation setting, isolation ring, hydroecium, shower nozzle；The top of tank body is provided with emptying
Mouthful, bottom is provided with hot water outlet, and side wall is respectively equipped with boiler blow-off water inlet, softens water inlet, boiler blow-off water out；Annular
Open chuck is opening up to be located at inwall in the middle part of tank body, and steam-water separation equipment is set in ring-shape open formula chuck, and isolation ring sets
In the overthe openings of ring-shape open formula chuck, hydroecium is located at the top of tank inner chamber, and shower nozzle is located at hydroecium bottom, and hydroecium passes through pipe
Road is connected with softening water inlet, boiler blow-off water inlet and boiler blow-off water out and ring-shape open formula chuck cavity UNICOM；Remaining
Recuperation of heat tank and heat exchanger are fixed by support；Heat exchanger is provided with normal temperature softened water inlet and outlet, and normal temperature softens water out
It is connected with the softening water inlet of waste heat recovery tank by pipeline；Heat exchanger is provided with boiler blow-off water inlet, it pass through pipeline with
Waste heat recovery tank boiler blow-off water out connects.
2. the steam boiler blowdown heat reclamation device as described in claim 1 is it is characterised in that the setting of described steam-water separation is main
It is made up of resistance vapor baffle and packing layer, resistance vapor baffle is annular flap, two pieces is one group of two-way ring-shape open formula chuck of being located at
Middle part, packing layer is located at the top of ring-shape open formula chuck.
3. the steam boiler blowdown heat reclamation device as described in claim 1 or 2 is it is characterised in that waste heat recovery tank is by upper envelope
Head, canister, low head three form through bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610749815.9A CN106338057B (en) | 2016-08-26 | 2016-08-26 | Steam boiler blowdown heat reclamation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610749815.9A CN106338057B (en) | 2016-08-26 | 2016-08-26 | Steam boiler blowdown heat reclamation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106338057A true CN106338057A (en) | 2017-01-18 |
| CN106338057B CN106338057B (en) | 2018-08-28 |
Family
ID=57823115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610749815.9A Active CN106338057B (en) | 2016-08-26 | 2016-08-26 | Steam boiler blowdown heat reclamation device |
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| Country | Link |
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| CN (1) | CN106338057B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062190A (en) * | 2017-06-02 | 2017-08-18 | 连云港市华能电力辅机有限公司 | Integrated boiler sewer is received can system |
| CN107448925A (en) * | 2017-08-08 | 2017-12-08 | 杭州航民小城热电有限公司 | One kind arranges flash vessel surely |
| CN109141060A (en) * | 2018-09-03 | 2019-01-04 | 亿利洁能科技(武威)有限公司 | A kind of boiler determines heat extraction and recovery device |
| CN109141059A (en) * | 2018-09-03 | 2019-01-04 | 亿利洁能科技(武威)有限公司 | It is a kind of to determine heat extraction and recovery device |
| CN109668141A (en) * | 2019-02-15 | 2019-04-23 | 中国恩菲工程技术有限公司 | Waste-heat recovery device and heat-exchange method for boiler system |
| CN110107881A (en) * | 2019-05-09 | 2019-08-09 | 潍坊福来锅炉节能设备科技有限公司 | A kind of boiler blow-off pipeline sewage recovering system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2368628A (en) * | 2000-11-07 | 2002-05-08 | Spirax Sarco Ltd | A blowdown vessel |
| CN201866753U (en) * | 2010-11-17 | 2011-06-15 | 山西合成橡胶集团有限责任公司 | Device using heat of boiler sewage to warm up softened water |
| CN103292378A (en) * | 2013-05-27 | 2013-09-11 | 盛嘉军 | Recovery method and device for boiler waste water and waste heat of heat supply network |
| CN204372900U (en) * | 2014-12-23 | 2015-06-03 | 双钱集团股份有限公司 | Boiler blow-off waste-heat recovery device |
| CN205957137U (en) * | 2016-08-26 | 2017-02-15 | 盛嘉军 | Steam boiler blowdown heat reclamation device |
-
2016
- 2016-08-26 CN CN201610749815.9A patent/CN106338057B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062190A (en) * | 2017-06-02 | 2017-08-18 | 连云港市华能电力辅机有限公司 | Integrated boiler sewer is received can system |
| CN107448925A (en) * | 2017-08-08 | 2017-12-08 | 杭州航民小城热电有限公司 | One kind arranges flash vessel surely |
| CN107448925B (en) * | 2017-08-08 | 2019-05-07 | 杭州航民小城热电有限公司 | One kind arranging flash vessel surely |
| CN109141060A (en) * | 2018-09-03 | 2019-01-04 | 亿利洁能科技(武威)有限公司 | A kind of boiler determines heat extraction and recovery device |
| CN109141059A (en) * | 2018-09-03 | 2019-01-04 | 亿利洁能科技(武威)有限公司 | It is a kind of to determine heat extraction and recovery device |
| CN109141060B (en) * | 2018-09-03 | 2023-12-15 | 亿利洁能科技(武威)有限公司 | Fixed heat removal recovery device for boiler |
| CN109141059B (en) * | 2018-09-03 | 2023-12-15 | 亿利洁能科技(武威)有限公司 | Fixed heat removal recovery device |
| CN109668141A (en) * | 2019-02-15 | 2019-04-23 | 中国恩菲工程技术有限公司 | Waste-heat recovery device and heat-exchange method for boiler system |
| CN110107881A (en) * | 2019-05-09 | 2019-08-09 | 潍坊福来锅炉节能设备科技有限公司 | A kind of boiler blow-off pipeline sewage recovering system |
| CN110107881B (en) * | 2019-05-09 | 2023-10-24 | 潍坊福来锅炉节能设备科技有限公司 | Boiler blow off pipeline waste water recovery system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106338057B (en) | 2018-08-28 |
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